204062646100 has 18 divisors (see below), whose sum is σ = 442815942254. Its totient is φ = 81625058400.

The previous prime is 204062646097. The next prime is 204062646107. The reversal of 204062646100 is 1646260402.

It can be written as a sum of positive squares in 3 ways, for example, as 123698884 + 203938947216 = 11122^2 + 451596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204062646107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020313131 + ... + 1020313330.

Almost surely, 2^204062646100 is an apocalyptic number.

204062646100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204062646100 is an abundant number, since it is smaller than the sum of its proper divisors (238753296154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204062646100 is a wasteful number, since it uses less digits than its factorization.

204062646100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040626475 (or 2040626468 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 204062646100 in words is "two hundred four billion, sixty-two million, six hundred forty-six thousand, one hundred".